Cheap flights from Kolkata to Bihar from ₹ 3,601

The cheapest month to fly to Bihar from Kolkata is in January. Flight prices, which tend to average around ₹ 6,822, are often lower during this time because this is during the off-season. If you aren’t able to travel to Bihar during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of ₹ 6,917.

Our data shows that Tuesday is the least expensive day to fly to Bihar. Tickets to fly out on this day can be as low as ₹ 7,218. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Bihar on Thursday is ₹ 8,713.

Our data shows that the cheapest Kolkata to Bihar flights are usually those with departure times at midday. Our users have found flights to Bihar at midday for as low as ₹ 7,578. In the afternoon is when there is more demand to fly to Bihar, so prices are often more expensive at around ₹ 8,104 per ticket.

Fly from Kolkata Netaji S. Chandra to Purnea for the best Kolkata Netaji S. Chandra - Bihar flight prices

There is only 1 cabin class available to choose from on Kolkata to Bihar flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Kolkata to Bihar.

IndiGo, Akasa Air, and SpiceJet are the most popular carriers operating from Kolkata Netaji S. Chandra to Bihar

IndiGo, Air India and SpiceJet are the top three most popular airlines that fly to Bihar from Kolkata according to our data. IndiGo is the first choice among our users, with 87% of people opting to fly with this airline when travelling to Bihar. Keep in mind that there are 3 different airlines that fly to Bihar on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 3 flights per day flying from Kolkata to Bihar. The most common time of day flights depart is 15:00, with 54% of flights taking off at midday.

As of October 2026, 25 flights take off from Kolkata and land in Bihar each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.